Sennheiser HD 599 Review | 93 Data compared

The Sennheiser HD 599 is highly regarded on Head-Fi for its warm, immersive sound signature, featuring a wide, airy soundstage that is ideal for, but not limited to, rock and acoustic genres. Pros include exceptional wearing comfort with a lightweight, low-clamp design and ease of driving via smartphones or laptops due to 50-ohm impedance. Cons include a noticeable upper-midbass elevation that can occasionally sound muddy and a recessed midrange, which can affect vocal positioning. Additionally, the construction feels thin and plastic-heavy, while the open-back design offers no sound isolation, making it unsuitable for public use. Read more in the user reviews on Head-Fi.

The Sennheiser HD 599Go are open-back, over-ear headphones designed for neutral, critical listening, offering a warm and well-balanced sound profile. Their key strengths include a spacious, speaker-like soundstage, exceptional comfort for long-term wear due to a lightweight design, and high breathability. RTINGS.comConversely, the open-back design results in significant sound leakage and zero passive noise isolation, making them unsuitable for noisy environments. Other drawbacks include a lack of low-bass extension, potentially muddy audio, the absence of a companion app or on-cable controls, and a design that is not suitable for sports.

The Sennheiser HD 599 is an open-back, over-ear headphone praised for its wide, stadium-like soundstage, warm tonal balance, and outstanding long-session comfort. The design features a premium ivory-and-brown palette, large earcups, and plush, replaceable velour pads that create a nearly weightless feel with low clamping force. Sonically, it delivers smooth midranges, airy highs without sibilance, and a clean center image that makes acoustic and orchestral music come alive. It is highly driveable from a standard laptop or phone jack, though its dynamics and transient slam noticeably tighten when paired with a modest desktop DAC or amplifier. The package also provides good versatility by including two detachable cables—a long 3-meter cable with a 6.3 mm plug and a shorter 1.2-meter cable with a 3.5 mm plug. However, the headphones come with significant trade-offs rooted in their physical build and open-back structure. Because they are open-back, they lack isolation, letting outside noise in while leaking substantial audio to the surrounding environment. This makes them poorly suited for noisy public spaces, travel, or shared bedrooms. Portability is further restricted because they do not...